| Nov 1, 2025 | Meins | 1–0 | Beisteiner | Round 1: Meins, Gerlef - Beisteiner, Joachim | Slav Defense: Modern Line | |
| Jun 1, 2025 | Beisteiner | ½–½ | Muller | Norway Chess Open 2025 | Petrov's Defense: Modern Attack, Center Variation | |
| May 31, 2025 | Wiger-Nordas | ½–½ | Beisteiner | Norway Chess Open 2025 | Caro-Kann Defense: Endgame Offer | |
| May 30, 2025 | Beisteiner | ½–½ | Amundsen | Norway Chess Open 2025 | Petrov's Defense: Modern Attack, Center Variation | |
| May 30, 2025 | Pragnya H G | 1–0 | Beisteiner | Norway Chess Open 2025 | Caro-Kann Defense: Advance Variation | |
| May 29, 2025 | Beisteiner | 0–1 | Hohelj | Norway Chess Open 2025 | Sicilian Defense: Lasker-Pelikan Variation, Bird Variation | |
| May 29, 2025 | Li | ½–½ | Beisteiner | Norway Chess Open 2025 | Semi-Slav Defense | |
| May 28, 2025 | Beisteiner | 1–0 | Zepeda Berlanga | Norway Chess Open 2025 | Italian Game: Classical Variation, Giuoco Pianissimo, with d6 | |
| May 27, 2025 | Azikri | ½–½ | Beisteiner | Norway Chess Open 2025 | Zukertort Opening | |
| May 27, 2025 | Beisteiner | 0–1 | Elsness | Norway Chess Open 2025 | Sicilian Defense: Najdorf Variation, Adams Attack | |
| Apr 15, 2025 | Song | 1–0 | Beisteiner | Reykjavik Open 2025 | Caro-Kann Defense: Advance Variation, Short Variation | |
| Apr 13, 2025 | Thorfinnsson | 1–0 | Beisteiner | Reykjavik Open 2025 | Caro-Kann Defense: Endgame Offer | |
| Apr 10, 2025 | Hafthorsson | 0–1 | Beisteiner | Reykjavik Open 2025 | Rapport-Jobava System | |
| Apr 9, 2025 | Kjartansson | 1–0 | Beisteiner | Reykjavik Open 2025 | English Opening: Caro-Kann Defensive System | |
| Dec 21, 2024 | Sayce | 0–1 | Beisteiner | XI Sunway Sitges International Chess Festival 2024 - Group A | Ruy Lopez: Morphy Defense, Anderssen Variation | |
| Dec 16, 2024 | Makkar | 1–0 | Beisteiner | XI Sunway Sitges International Chess Festival 2024 - Group A | Queen's Gambit Declined: Harrwitz Attack | |
| Dec 13, 2024 | Beisteiner | 0–1 | Arfan | XI Sunway Sitges International Chess Festival 2024 - Group A | Sicilian Defense: Delayed Alapin Variation | |
| Nov 1, 2024 | Zude | 1–0 | Beisteiner | Round 7: Zude, Arno - Beisteiner, Joachim | Italian Game: Classical Variation, Giuoco Pianissimo, with d6 | |
| Oct 30, 2024 | Zude | * | Beisteiner | Round 5: Zude, Arno - Beisteiner, Joachim | French Defense: Advance Variation, Lputian Variation | |
| Oct 29, 2024 | Beisteiner | 1–0 | Schneider | Round 4: Beisteiner, Joachim - Schneider, Ilja | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Oct 28, 2024 | Colpe | 1–0 | Beisteiner | Round 3: Colpe, Malte - Beisteiner, Joachim | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Oct 27, 2024 | Beisteiner | 1–0 | Becker | Round 2: Beisteiner, Joachim - Becker, Matthias | French Defense: Advance Variation, Main Line | |
| Jul 20, 2024 | Beisteiner | ½–½ | Kleiser | Round 7: Beisteiner, Joachim - Kleiser, Gregor | Sicilian Defense: Delayed Alapin Variation | |
| Jul 20, 2024 | Beisteiner | 1–0 | Kammerer | Round 6: Beisteiner, Joachim - Kammerer, Gernot | Sicilian Defense: Najdorf Variation, Opocensky Variation, Traditional Line | |
| Jul 20, 2024 | Posch | ½–½ | Beisteiner | Round 5: Posch, Roland - Beisteiner, Joachim | Sicilian Defense: Delayed Alapin Variation | |
| Jul 20, 2024 | Beisteiner | 1–0 | Waldner | Round 4: Beisteiner, Joachim - Waldner, Alois | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Jul 20, 2024 | Haydn | 0–1 | Beisteiner | Round 3: Haydn, Karl-Heinz - Beisteiner, Joachim | Sicilian Defense: Bowdler Attack | |
| Jul 20, 2024 | Beisteiner | 0–1 | Juenger | Round 2: Beisteiner, Joachim - Juenger, Heinz | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Jul 20, 2024 | Orsolic | 0–1 | Beisteiner | Round 1: Orsolic, Marijan - Beisteiner, Joachim | Italian Game: Giuoco Piano | |
| Jun 1, 2024 | Beisteiner | * | Acarbay | Round 8: Beisteiner, Joachim - Acarbay, Algi | ? | |
| May 31, 2024 | Yin | * | Beisteiner | Round 7: Yin, Vito - Beisteiner, Joachim | ? | |
| May 30, 2024 | Beisteiner | * | Hess | Round 6: Beisteiner, Joachim - Hess, Max | ? | |
| May 30, 2024 | Schwan | * | Beisteiner | Round 5: Schwan, Aaron - Beisteiner, Joachim | ? | |
| May 29, 2024 | Beisteiner | * | Basener | Round 4: Beisteiner, Joachim - Basener, Winfried | ? | |
| May 28, 2024 | Mashchenko | * | Beisteiner | Round 3: Mashchenko, Tamila - Beisteiner, Joachim | ? | |
| May 27, 2024 | Beisteiner | 0–1 | Hinterreiter | Round 2: Beisteiner, Joachim - Hinterreiter, Markus | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| May 26, 2024 | Heer | * | Beisteiner | Round 1: Heer, Stephan - Beisteiner, Joachim | ? | |
| Mar 21, 2024 | Ruiz Buendia | 1–0 | Beisteiner | Reykjavik Open 2024 | Ruy Lopez: Morphy Defense, Steinitz Deferred | |
| Mar 19, 2024 | Jacobsen | 1–0 | Beisteiner | Reykjavik Open 2024 | English Opening: Neo-Catalan Declined | |
| Mar 17, 2024 | Beisteiner | 0–1 | Tania | Reykjavik Open 2024 | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Mar 16, 2024 | Osorio Ferrer | 0–1 | Beisteiner | Reykjavik Open 2024 | Ruy Lopez: Exchange Variation, Keres Variation | |
| Mar 15, 2024 | Balakrishnan | 1–0 | Beisteiner | Reykjavik Open 2024 | Queen's Gambit Declined: Harrwitz Attack, Fianchetto Defense | |
| Aug 10, 2024 | Quesada Perez | 1–0 | Beisteiner | Round 1: Quesada Perez, Luis Ernesto - Beisteiner, Joachim | Queen's Gambit Declined: Semi-Tarrasch Defense, Main Line | |
| Nov 13, 2022 | Beisteiner | * | Pollmann | 25th Open Bavarian Championship | ? | |
| Nov 12, 2022 | Huenerfauth | * | Beisteiner | 25th Open Bavarian Championship | ? | |
| Nov 11, 2022 | Beisteiner | ½–½ | Johansson | 25th Open Bavarian Championship | ? | |
| Nov 10, 2022 | Jubin Jimmy | 1–0 | Beisteiner | 25th Open Bavarian Championship | Slav Defense: Czech Variation, Krause Attack | |
| Nov 9, 2022 | Beisteiner | 1–0 | Woerl | 25th Open Bavarian Championship | ? | |
| Nov 8, 2022 | Bashirov | 1–0 | Beisteiner | 25th Open Bavarian Championship | ? | |
| Nov 7, 2022 | Beisteiner | ½–½ | Wenner | 25th Open Bavarian Championship | ? | |
| Nov 6, 2022 | Gruettner | 0–1 | Beisteiner | 25th Open Bavarian Championship | ? | |
| — | Beisteiner | 1–0 | Oberbichler | Round 2: Beisteiner, Joachim - Oberbichler, Robert | Bishop's Opening: Berlin Defense | |
| — | Beisteiner | 0–1 | Drnovsek | Round 4: Beisteiner, Joachim - Drnovsek, Gal | Italian Game: Classical Variation, Giuoco Pianissimo | |
| — | Beisteiner | 1–0 | Emberger | Round 6: Beisteiner, Joachim - Emberger, Dietmar | French Defense: Advance Variation, Paulsen Attack | |
| — | Beisteiner | ½–½ | Platzgummer | Round 2: Beisteiner, Joachim - Platzgummer, Fabian | Sicilian Defense: Delayed Alapin Variation | |
| — | Beisteiner | 0–1 | Pilz | Round 3: Beisteiner, Joachim - Pilz, Dieter | Italian Game: Classical Variation, Giuoco Pianissimo, with d6 | |
| — | Beisteiner | 0–1 | Huber | Round 5: Beisteiner, Joachim - Huber, Benedikt | Sicilian Defense: Delayed Alapin Variation | |
| — | Beisteiner | 1–0 | Hengl | Round 7: Beisteiner, Joachim - Hengl, Philip | French Defense: Advance Variation, Euwe Variation | |
| — | Beisteiner | ½–½ | Kozissnik | Round 9: Beisteiner, Joachim - Kozissnik, Christian | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| — | Weiler | 0–1 | Beisteiner | Round 1: Weiler, Georg - Beisteiner, Joachim | English Opening: Caro-Kann Defensive System | |
| — | Klasinc | 0–1 | Beisteiner | Round 3: Klasinc, Kristjan - Beisteiner, Joachim | Bird Opening | |
| — | Merei | ½–½ | Beisteiner | Round 5: Merei, David - Beisteiner, Joachim | Semi-Slav Defense | |
| — | Wallinger | 0–1 | Beisteiner | Round 7: Wallinger, Nikolaus - Beisteiner, Joachim | Caro-Kann Defense: Maróczy Variation | |
| — | von Schlippe | 0–1 | Beisteiner | Round 6: von Schlippe, Nikolai - Beisteiner, Joachim | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| — | Lerch | 1–0 | Beisteiner | Round 8: Lerch, Johannes - Beisteiner, Joachim | Caro-Kann Defense: Endgame Variation | |